# x=int(input("请输入第一个数字："))
# y=int(input("请输入第二个数字："))
# def cal(x,y):
#     return x-y
#
# print(cal(x,y))
# print(cal(y,x))


kind_of_drink=input("aa")
def drink(drink):
    if drink=="cola":
        print('Below is your cola.Please check it!')
    else:
        print(f'The {drink} has been sold out!')

drink(kind_of_drink)

while True:
    person_num=input("总人数：")
    print("Welcome! How many people, please?\nEnter 'quit' to end the program.")
    if person_num=='quit':
        break
    else:
        person_num=int(person_num)
        if person_num<=4:
            print('Your small table is reserved!')
        elif 4<person_num<=6:
            print('Your middle table is reserved!')
        elif 6<person_num<=10:
            print('Your large table is reserved!')
        elif person_num>10:
            print('Sorry, there is no free table that seats over ten persons.')